using System;

public class Program

{

    public static void Main()

    {

        int [] arr = new int[]{7,7,7,2,2,5,5,7,7,4,3};

        Console.WriteLine(AMONGUS(arr));

    }

    static int AMONGUS(int[] arr)

    {

        int c=1,maxLength=0;

        for(int i = 0;i<arr.Length-1;i++)

        {

            if(arr[i]==arr[i+1])

            {

                c++;

            }

            else

            {

                maxLength=Math.Max(c,maxLength);

                c=1;

            }

        }

        return maxLength;

    }

}